diff options
Diffstat (limited to 'src/core/transport/chttp2/writing.c')
-rw-r--r-- | src/core/transport/chttp2/writing.c | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/src/core/transport/chttp2/writing.c b/src/core/transport/chttp2/writing.c index a78654334e..d8ec117aa5 100644 --- a/src/core/transport/chttp2/writing.c +++ b/src/core/transport/chttp2/writing.c @@ -66,11 +66,9 @@ int grpc_chttp2_unlocking_check_writes( /* for each grpc_chttp2_stream that's become writable, frame it's data (according to available window sizes) and add to the output buffer */ - while (transport_global->outgoing_window && - grpc_chttp2_list_pop_writable_stream(transport_global, + while (grpc_chttp2_list_pop_writable_stream(transport_global, transport_writing, &stream_global, - &stream_writing) && - stream_global->outgoing_window > 0) { + &stream_writing)) { stream_writing->id = stream_global->id; window_delta = grpc_chttp2_preencode( stream_global->outgoing_sopb->ops, &stream_global->outgoing_sopb->nops, @@ -106,20 +104,21 @@ int grpc_chttp2_unlocking_check_writes( /* for each grpc_chttp2_stream that wants to update its window, add that * window here */ while (grpc_chttp2_list_pop_writable_window_update_stream(transport_global, - &stream_global)) { - window_delta = - transport_global->settings[GRPC_LOCAL_SETTINGS] - [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE] - - stream_global->incoming_window; - if (!stream_global->read_closed && window_delta > 0) { - gpr_slice_buffer_add( - &transport_writing->outbuf, - grpc_chttp2_window_update_create(stream_global->id, window_delta)); + transport_writing, + &stream_global, + &stream_writing)) { + stream_writing->id = stream_global->id; + if (!stream_global->read_closed && stream_global->unannounced_incoming_window > 0) { + stream_writing->announce_window = stream_global->unannounced_incoming_window; GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("write", transport_global, stream_global, - incoming_window, window_delta); - stream_global->incoming_window += window_delta; + incoming_window, stream_global->unannounced_incoming_window); + GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("write", transport_global, stream_global, + unannounced_incoming_window, -(gpr_int64)stream_global->unannounced_incoming_window); + stream_global->incoming_window += stream_global->unannounced_incoming_window; + stream_global->unannounced_incoming_window = 0; grpc_chttp2_list_add_incoming_window_updated(transport_global, stream_global); + grpc_chttp2_list_add_writing_stream(transport_writing, stream_writing); } } @@ -169,10 +168,19 @@ static void finalize_outbuf(grpc_chttp2_transport_writing *transport_writing) { while ( grpc_chttp2_list_pop_writing_stream(transport_writing, &stream_writing)) { - grpc_chttp2_encode(stream_writing->sopb.ops, stream_writing->sopb.nops, - stream_writing->send_closed != GRPC_DONT_SEND_CLOSED, - stream_writing->id, &transport_writing->hpack_compressor, - &transport_writing->outbuf); + if (stream_writing->sopb.nops > 0 || stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) { + grpc_chttp2_encode(stream_writing->sopb.ops, stream_writing->sopb.nops, + stream_writing->send_closed != GRPC_DONT_SEND_CLOSED, + stream_writing->id, &transport_writing->hpack_compressor, + &transport_writing->outbuf); + } + if (stream_writing->announce_window > 0) { + gpr_slice_buffer_add( + &transport_writing->outbuf, + grpc_chttp2_window_update_create( + stream_writing->id, stream_writing->announce_window)); + stream_writing->announce_window = 0; + } stream_writing->sopb.nops = 0; if (stream_writing->send_closed == GRPC_SEND_CLOSED_WITH_RST_STREAM) { gpr_slice_buffer_add(&transport_writing->outbuf, @@ -197,7 +205,8 @@ void grpc_chttp2_cleanup_writing( while (grpc_chttp2_list_pop_written_stream( transport_global, transport_writing, &stream_global, &stream_writing)) { - if (stream_global->outgoing_sopb->nops == 0) { + if (stream_global->outgoing_sopb != NULL && + stream_global->outgoing_sopb->nops == 0) { stream_global->outgoing_sopb = NULL; grpc_chttp2_schedule_closure(transport_global, stream_global->send_done_closure, 1); |